Excavating machine



my 25,1933, E .JKANE I 1,919,515

EXCAVATING MACHINE July 25, 1933. E. J. KANE EXCAVATING MACHINE 5 Sheets-Sheet 2 Filed March 9, 1928 July 2s, 1933. E. J, KANE 1,919,515

EXCAVATING MACHINE Filed lawn 9, 1928 3`sheets.sheet sv jez/617225 jdmwzci Lfare a M702;

Patented July 2e, 1933 Unire PATENT EXCVATING MACHINE YThisin'vention relates to improvements uin machines of the excavating type and 1n the present embodiment is shown applied toA a machine'of thecharacter employing maten' '5 `rial handling buckets of the clam shell type;

an internalv combustion ,engine :associatedk Vdevices are being manipulated.. Y Y Y One object of the' present inventionlis to provide va novel construction,andarrangementV whereby the Voperation of a governor controlled internal' combustion engine associated with excavating machines may be readily varied at the will of the-operator.

`Another objectof the invention is to provide manually actuated means -for yieldingly resisting the operation ci engine governor mechanism for ,control'fngnY the Operation of an excavating machine engine; Y j Y A further Object of the invention is to pro-Y vide a fnovel. construction" and arrangement with the machine while-the material handlingv of elements forcontrollingthe operation nof a governor ,controlled excavating machine engine, and which may be manually 'and readily actuated by means p conveniently lmounted onthe operatinglevero'Such mamaterialhandling device. A Y l* n A still furtherobgect of the invention is` Y to improve devices .ofthis character in sun- Vdry details hereinafter described and particularly pointed out in the appended claims. @ne embodiment of the invention is shown forV illustrative purposes inthe accompanying. drawings, in which" i' f f i Fig. 1 is aside'elevation of an excavating machine illustrating' an embodimenty of my invention applied thereto.V

Fig. 2 is a plan view of a yportion Eof theexcavating Vmachine shown inV Figfl illustrating the arrangement of elements "com prising features of my invention.k

Figzf is a fragmentary elevationalview of a portion of a ca rbuietor,` governor mfechanism andjmcans for tion ofsaid:

Y governor mechanism. V F 1g. 4 'is an enlarged `L'ragi'nentary eleva? Application med Mifch e, 192s. semina. 260,365.

v 11,Y and pended a material handlingdevice or bucket j13 of a design well known tov persons familiar' s -13 is a cableY K f over a sheave l15; at-the 'upper-end of the boom raising and lowering ythe bucket, the-cable 14 .is trained Aa belt 23 operatively Vpulley V24 ymounted `'on .the an internal combustionv engine 26 suitably Vmounted on the frame orswing body 11. I

j A For operatively connectingthe gear trainv Vand engine er'n'ployed',"fthe shiiftfablev controlling the operational view takeny 44ofFigf2. v F igs.V 5, an'd Tare plan, side. andend views, respectively,`ofa mechanism 'formas indicated the line f 1n a art of m invention.

1 Referring to the drawings, the illustrative 55 embodiment'of the invention isjshow'n in connection with anexcavatinginachine having atransporting truck 10p`rovided with tractionwheels 10a, and on which isfpivotally mounted a swing body orframe 11.-4 n

, Suitably mountedony the frame 11is a boom 12 adapted to be raised and lowered to4 various angular positions, with respect to thev Viframe to the outer end `*of which is suswith machines of'this character as oftheclam shell type.

luitably connected tothe bucket V 14 adapted to pass upwardly and 70 l 12and thence downwardly around a rotatabley 'cablegdrum 16,-(Figs `l 'and 2j)T mounted on l :the frame 11,l in a manner to b-e wound on 0r unwound fromvthe drum for the purposeof being suitably trainedover a combination of `she=.ves and operating in conjunction with a plurality of lever arms'lS chines' for controlling the'operation ofthat b mountedon the ucket in afman'ner to closefthe,pivoted por'- 80 tions orv avvs ot' the bucketwhen 'inino'sitionf tograsp Vor Aengage'lthe;material to be handled. vThe drum l'is'adaptedtnbe'driven d by a suitable'gear .train 'consisting o'a gear f 19, pinion 2O and shaft- 21, to tlie1outer-`enda5 of which is'securedfa pulley V22, over-which f ielatedtofa y V crank shaft 25V of above described, tothe drum '16, suitable clutch'mechanism'.27 may be y membengof .whichvv v maybe moved into-and: outl of clutch actuat- A95Y A ingposition by means cfa forked armv or .clutch shipper lever 281secu`red to al rock shaft 28a v -rotatablyniounted in vhearings 29, the y shaft' 28a 'belngno'nnccted by means? of arm 30V and -linkfvltolani arm 32psecured Y 10c Y EDMUND rosEPHv KANE, or CrrIOAGc, Immers to one end of a rock shaft 33 pivotally 'mounted m smtable bearings 34 en the frame 11.

Vfiecured to therock shaft 33 and positioned ccnveniently to the hand of the operator is an operating lever 35 by which the clutch mechanism may be actuated in amanner to connect the engine 25 with thedrmn 15 for l ..7' L.' .l i* ciosmg and hols-cmg the bucketl.

A cable 36 is connected to the bucket 13 and trained around the sheave l5 and a drum 37,',

Figs. 1 and 2, n'hiclrhas suitable meci'ianism. u associated therewith, and common to this' type of excavating machine, for opening the pivoted portions .or piws of the bucket 13 when it is desired to'deposit the materialV V carried thereby.

in excavating machines ofnthej character described, employing power unitsor engines of the internal combustion type, it is common practice to operate such engines under the control of governor mechanism, which in effect, produces what might betermed a constant-speed engine, or-in other Words, an

Ain thense of suchmachinesthat certain work may be' spe'ededup if itwere not forgtne` fact that the maximum speed` of the engine was absolutely nnderthe control ofthe governor.y ThisA would be `true, for example,A

when'the machine .was.;.working-in loose ground, such as sand orgravel, 1n .which cases .it may for example'be found desirable to' speed up the closingV of. the jai/vsA of the :bucket v'and thereby increase.

the efficiency of the machine, or if found.desirs-hlm. the

hoisting of-tl'ie 'bncketinight also be accelerated. i 'Y .One of the obiects of mv mventionis to obtain this acceleration 4readily and conven-A a novel construction' and iently, if desired, by arrangement.which will now bedescribed.

" In'the illustrative embodiment shown in 4the drawings,lthe type of engine employed is provided with-a carburetor, diagrammatically shown at 38 in Fig. 3, which is connected by means of a tube 39 to 'an intake -manifoldlO byxwhichtheifnel 1s conducted .to the combustion chambers of Athe, engine in thensnal way, Vand pivotally mounted in fthetube 39 is a 41ftowhich is connected a? throttleva-'lve'42 adaptedto :be positioned.

at various angles with respect to the passage for opening in the tube 39, inl a manner to ycontroll he amount'of fuel. passing therethrough tothe combusti on. chambers.

Securedto the end of of'V which `is 4pivotally connected to `l`one-end of a link l44, the'v opposite end' of which is pivotallyvconnected to the upper end of an arm secured atv itslower end to al rock shaft 46' adapted to oscillate the shaft. 41 outside. `the tube 39 is ran armr 43,L the'upper or free lond vin bearings formed in the cup-like stationary portion 47 of governor mechanism 48, shown in the present instance as of the ily ball type and which comprises a collar49 secured to the upper end of a governor shaft 50, the said shaft being suitably connected to 'the cam shaft orother moving part of the enginein a manner to be. driven thereby. A

sleeve 51 is loosely mounted on the shaft 50 in amanner to be moved longitudinally thereof andfdriven thereby by means ofan elongated transversely extending tongue and groove connection 52 formed on the collar 49 and sleeveA 51, respectively. Secured to opposite sides of thesleevelv and extending radially vvand upwardly thereof area plurality of arms .53Ato:the upper ends of which are pivotally connected fly ball arms 54 having horizontal- 1y disposed inwardly extending portions 55 vadaptedto beengaged by an'annular groove 56 formed in the'collar 49, thelowerextremities of the arms 54 being connected by means of tensionl springs 57; vThe lower end of the sleeve 51 is provided withan annular flange 58 adapted to underlie and engage the inner oradj acent free endof ashort arm 59 secured to the' shaft 46 withinthe cup-.like stationary portion47.

. It will beobserved from the foregoing de.- Yscription that the rotation of this governor shaft will carry with it the collar v49, sleeve 51 and governorball' arms 54, and that. as the engine approaches its predetermined maximum sp`eed,`the fly lballs will be thrown out- .wardlyandthe sleeve 51 lifted in a manner -to cause theflange 58 to lift the arm'59, thereL by rocking Vthe shaft 46 in its bearings, and throughjits connection with the throttle valve 42 by means of the arm 45, llink 44 and larm 43 will vcause the valve42 to be positioned at-v`arious angles with respect to the passage through the tube 39thereby controlling the passage of fuel therethrough tothe combustionchambers(Y It will be .observed also that an engine controlled by a Ygovernor as above described is limited to a predetermined maX- imum speed,dependin g. upon the adjustment ofthe governor.

' ontrol the operation ofthe In ordv r to` c governorand thereby, when desired, to` accelerateA the. speed of the engine, a rocker. arm V60is .pivotally mounted lat 61 .intermediate its ends, preferably onthe frame of the engine 26,' and connected to the upper end of Lthe arm'60 and to the upperendl of the arin 64 is pivotally connected'al relativelyxlong link or rod 66 extending forwardly ofthe framell to a point substantially,adjacent .Y the forward edge thereof, and at its forward end is provided Withaii -upturned portion 67 adapted to be pivotally connected: to one arm of a bell cra-nk lever68, (see-FigsQ, 5, 6-

and 7) pivotally4 mounted von 4abra'cket 69 secuied tothe swing body `or frame ll: ad# jacent the rock shaft 33. The other-arm. of the bell kcrank lever 68fis provided 'Withga Vforked portion 70, the arms of which extend on opposite sides ofthe rock shaft 33 and lhave their outer or free ends provided with notches 7l adapted to engage studs or trim` iiions 72 secured to or carried by a ring 73 rotatably positioned 1n an annular groove 74 `formed ina sleeve' loosely mounted on 4the rock shaft 33 ina manner to be moved lonradially extending studs or truiiiiioiis 78 formedrthe'reon and adapted to be engaged mounted by means .of a pin ASlt-o, the operating lever secured to the rock shaft33. Pivotally connected to the lever inter# .mediate-its end-portions is one end of a link 82, the opposite end lof which is pivotallyconnected to achand lever or member83 pivotally mounted on .the operating. lever 35 adjacent the upper end thereof.

. v It ,will be observedwfrom the foregoing-Vdescription and-by4 rference particularly to `Figs. 5, 6 and :7 that theoperating'lever. 35 Vand rock shaft 33ma-y be oscillated in` the bearings 34 to actuate the'clutch mechanism 27 for connecting theengiiie or power unit 26 With' the cable druinsl and37 ina. nianner to Wind' the cables lll and 36, ,respectively, thereon,y he drum 37 being: frietionally .operated drum l6fin a manner oldfandr y Well known in the art and not shown, thereby closing the pivoted portions of the clam shell bucket 13 to engage the material to be. lhandled and hoist the same by a continued rotation of the drums,- Sfor the vpurpose of idepositing it in any manner desired.` Y ltwill Y' be observed also that thismanipulation of the operatinglever', by reason ofthe construction shoivn in-,Figs-.- 5 to7 inclusive, does not inany Way 'change the normal po- ,sition of the bell crank levers68 and qandk their associated connections, or `in any way effect thenorinal operation ofthe governor mechanism 48 and engine As heretofore mentioned, it has been-found desirable at times, When operating `the bucket inv loose material -suchra's sand,y gravelor the like,

`tofspeed up or-aecelerate the closing` Yand possibly the hoisting of the bucket, andin` this connection it Will be observed'A further thatbymanipulating the hand lever or member Vr 83, .conveniently mounted adj acentv lthe upper endl ofthe operating lever 35A by "which the clutch `mechanism 27is actuated, the le'- ver 80`fv'vill be rocked about the. pin 8lin al manner. to move thesleeve 75, together with n the 'ring 73,'longitudinally of the shaft 33,

thereby rockingthe bell vcrank' lever 63 on thel bracket 69 aud-'exerting aI pull' onthe rod66. l

This movement of the rod Will shift the bell the link 63 inV 'a manner to move the rocker .175. ciankleverl 641:0 exert anendvvise thrust on arin 60 about its` pivotal, support Gland'cau'se Y y lthe. `vadditional tensioning of 'thet v'resilient UPPGI member oi" spring-62 connected to the end of` the lev'ei"45. It will' be observed lso from the foregoing description'thattliema Y Y mechanism, thereby `lioldin `f,- the throttle valve-42open and permitting :the yengine to attain a greater speed 'than is: possible; under normal conditions, before 'the' effectpofthe governor mechanism l on the sleeve 5l, short Y j .arm 59 and arm 45Aissufficienttoovercome -by forked arms79 of a lever .30 pivotally the-increasedv tensionof the spring. 62, therev by speeding uporjaccelerating the rotation anon of attacker, @aan desired; u1@ heise and :traction lWheels, lOof-,th'etruc'k i0 for *the purpose ofmovingthe machine, and also with suitable `driving mechanisminou'iited ron Ythe Vswing body-y or'ffraine 1l vforthe pur- Y pose offs-Winging thelframeabout its-"pivotal 'connectionwith the truck, and, in' as muchas Obviously, connectionsf-fmay .i be ji'mad'e Lthrough suitable gearing lbetween the engine thehand-leve-r or Lmember 83 is located l-coii- 'venien'tlyt'o the hand ofthe. operator, it will -be obvious also' that, if "desired, the "movement of theiinachine from vplace to place and theV swingingmovement 'of the frame on the 'truck'lOm'ay be speeded up or'accelerated y by-the manipulationof thev hand lever 83,

as above 'described with reference to thev manipulation onhandling of the: bucket 13. 1 l `(bvio'usly,:the y'present invention'is Vnot limited to the precisey construction yand ar- Vrang'ei'ientAsh'ovvn and Vdescribed,"as the same may'lbevariouslyv modilied'withoutrdeparting from the spirit `and scopeof theinventionV l as set forth iin the appended claiinsg valve l' for Vhatj I claim as `my invention and desire nto secure vby Letters Patent is: f

l; In an excavatingmachine, theffcombinak tion ivi-tha power-unit-co'nsistinglof a; governor controlled internal combustion engine' 'provided With f'a` throttle lcontrol s controllingfthefpower :and speedof the 'engine, an operating hand lever for controlling Y one I of' the `operatii'i'g functions of'. the leXcaframers vating machinefof :a handbperated =,device connectsaidzpowerunitinfrelationato ione ofv i .ably .connected vwith the engine, a fshiftable .erate the speed of the engine.

4. Thecombination in ank excavating ma-v hand level-.for controllingoneof thel operatingfunctions of the excavating jmachine, a .supplemental ylever mountedon said operating'lever, a lever' pivotally mounted adj acent said centrifugal Vgovernor mechanism and .adaptedto be.y operated in one directionfof its movement by :said governor mechanism, anV

operating lconnection between `the vlast -said .lever and said throttle valve, and a resilient connection between said lever voperated -by lthe governor and the supplemental lever carried by the operating lever on the frame,

`whereby .the normal functioning of the gov- `ernor mechanism will be rresumed by overcoming-the resistance of theresil-ient connection :to preventdangerous or excessivespeed.

' 3. In a power operated-machine having a power generating vunit comprising-a1 governor controlled internal combustionnengine including. a throttle, the combinationv with va ,plurality of separate mechanisms 4adapted for selective operation by said powerunit, each of said mechanisms including-:clutch `devices for selectively connectingfthem with the power unit, of a yplurality `offipivotedfcontrol levers mounted on said machine adjacent each lother for operatingsaid respective lclutch devices, saidlevers being arranged-for the con- :venient use of an operator in a Vsingle station lon said machine, .supplemental` movable means on one of said levers, Aand operative connections between the lastsaid means-and :the said governor andthrottle devices of said.

governor controlled internal combustion engine .whereby through kthe fmovementofg the means on said lever, fthe operator-may accely,chine having a plurality of separatelyoperable mechanisms adapted .to perform the Y usual functions of such machines as excavatv(iii ing, travelling and swinging movements, said Apower unit consisting of a l governor controlled internal combustion engine including4 a throttle adapted to-be selectively connected with-said mechanismsa pivoted hand .lever adapted to operatively-connect and dis- -fsaiddevioes,` and means adapted-'to be man- -nally 'operated carried by said pivoted .leverl 'land `having operative connectionswiththe saidigovernor and throttle -devices of :said

governor controlledinternal vcombustion engine Afor -accelerating the speed thereof.

5. The.combination in an excavating maable mechanisms adapted to perform Sthe `=usual functions of such machines 'as :excavating, travelling and swinging vmovements Ila power unit, thev said power unit consistingof a governor `controlled internal combustion engine'ad-apted to `be selectively connected i with said mechanisms, a pivotedlhand lever adapted vto operatively connect "and disconnect said power kunit with relation "to Vone of saidv mechanisms, a supplemental lever `Vcarried b y said pivoted lever, a shaftsupf. iporting said `pivoted lever, a sleeve slidably mounted on said shaft, a shifter fork pivoted Y on said lever and engaging saidsleeve, operative connections between said supplemental lever and said shifter fork, 'a 'secondshifter fork pivotally supported adjacentsaidshaft -cliine having a plurality oflseparatelyioperwith the bifurcated portion thereof-engaging v -said sleeve, and operative connections "between the last said shifterfork and'thefusual governor Yand throttle devices of said governor controlled internal combustion engine for accelerating the speed thereof.'

6. The' combination inan excavating Inafchine having a. plurality of -separatelyl operable mechanisms adapted to perform ft'lie yusual functions of such machines asexcavating, Vtravelling and swinging movements a power unit, the said power unit consisting of .a governor controlled internal `combustion engine adaptedV to be'selectively connected with saidmechanisms, a pivoted hand lever adapted to operatively connect and-discon- Vnectsaid power unit with relationtofone-of `said mechanisms, a supplemental lever carried by said pivoted lever, a shaft supporting .said pivoted lever, a sleeve slidably mounted on said shaft, a'shifter forlrpivoted onsaid lever-and engaging said sleeve, 'operative connections between said supplemental lever andsaid shifter fork, a second shifter ,fork pivotally'supported adj acent-said shaft with bifurcated portion thereof vengaging' said sleeve, and operative connections between ,the last said shifter fork and the usual fgovernor and throttle devicesofsaid governor controlled internali combustion engine,` including a resilient connection with the governor mechanism for accelerating'the speed ofthe engine-and being adapted to render vthe governor emchanism inoperative to control the engine speed within predetermined limits above the speed normally limited by said governor, and permitting the governor to vfunctionto limit excessively dangerous speeds above said limits.

ing, travelling and swinging movements a' power unit, said power unit consisting of a governor controlled internal eombustion'engine adaptedl to Vbe selectively connectedwith said mech-aisms, a pivoted hand lever adapted to operatively connect` and disconnect said power unit in relation to one of said,

mechanisms, means adapted to'be manuallyoperated, carried by said `pivoted lever, and

operative connections Abetween vsaid means*l andthe usual" governor and throttle vdevices of said governor controlled internal combustion engine, comprising a resilientfmembery interposed between'said supplemental lever and'said governor mechanism and asubstan# -tially nonieXible operative connectionV loe-7 tween' the governor and said throttle device.

EDMUND OSEPI-I 

